Heating and regulating apparatus.



w. s. ADAWA R. HEATING AND REGULATING APPARATUS.

APPLICATION TILED TEB.20, 1913.

1,097,223. Patented May19, 1914.

3 SHEETS-SHEET 1.

WITNESSES 1 l INVENTOR BY a? NW mw i W.-S. HADAWAY, J11. HEATING AND REGULATING APPARATUS. APPLICATION FILED P121120, 1913.

1,097,223. Patented May 19 1914.

3 SEEETS -SHEET Z.

WITNE88E8 8 34 [MENTOR 5 ATTORNEY W. S. HADAWAY, JR.

HEATING AND REGULATING APPARATUS.

APPLICATION FILED $31120, 1913.

1,097,223. Patented May 19, 1914-.

3 SHEETSSHE.BT 3.

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I" ci'xmmds 21 is 30511 mu sectiuns 721 A by electzrin 'iattenod tubes b ribbon v alternately rom bun to prm'ids a f electric cur winced one, on mach Show; metal shenih in which fir 1 1s;

and a metal ship a 0f {he channel an i.

space and elficiexcv term tubes and the heat mateiy Una 92m 322i: '1 and iii clnsdy iflfi'; 5 press pkaae.

The subs; sections 53 and and sea render 2F eras {not ShQWH :10 F-IQCZ-iOL'lS mm in $13 .mct

have i131: "ei ngemwis W32 mnsidm? prrferanie, one 1" my invamim dens is in: provirk :z distrimfed fluid E re element 01" the t aurpbse bffi'ziilfif mad in enm'binu on wiih fluent. It is fihaizefma wident, rmieiieci 1551: showglfin Fig 1 mm WM; water a smzfil amount- 0? ing: included to allow for (the hyfim pans-ion when hunt applie'i. T 45 mam, 10116.3 iiself pzzr'timilafly shown fin Fig. 5. The mach-ii: c mentions of this (1 1 p101 and 11m mfv' StFHCuKYCS, l L Mm of thesyst-Pn'f; system camp? Made? 35,

any wand '54 3G1 pr m {an in gram :2 2'0. 0:?

. switch 50 may be closed instead of the switch is one of the advantages of my arrangement as more'fully pointed out hereinafter.

As soon as the pointer 42 engages the contact 44:, a circuit is established from the conductor 62 through the pointer and contact directly to conductor thereby short circuiting the actuating coil 64 of the circuit closer 48. The circuit closer is arranged in the usual manner to open automatically when its coil is deenergized and consequently the circuit, previously established through the circuit closer and the resistance units 24 and 24 is interrupted. The heat generating circuit is not again established until the temperature and pressure are so far reduced that the pointer again engages the contact 43. If the resistance sections 24* and 243 are insufficient a 49 thereby connecting the resistance section 52-? in multiple relation with the sections Ql and 24 i The fluid pressure tubes by reason of the automatic circulation of fluid within them tend to automatically maintain an equal distribution of temperature throughout that portion of the pressure late in which they are disposed. In fact t ey act as a means for conveying heat from one portion of the heated body to another and obviously they may be employed for conveying heat from one body to another, the latter arrangement being more fully disclosed in connection with themodification illustrated in F 9, l0 and 11.

The arrangement and distribution of the tubes relative'to the pressure plate is such that the gage pointer is a true indication not only of the pressure existing in the tube system but alsoof the integrated temperature of the body. It is obvious that no inattcr how carefully the electric heater units are distributed, some parts of the body will be hotter than others. It is extremely diliicult and expensive to proportion the re sistance units to efi'ect anything like an evendistribution of heat over the working surface of a body such as the bed plate 10. This becomes entirely unnecessary and the resistance units may be equally or otherwise conveniently distributed if the fluid distributing means 9f my invention is utilized. In providing'a heater For matrix drying presses, it is] particularly important to obtain a well distributed. high temperature on the working surface in order that the work may be done most efficiently and expeditiously. If electric heating units are utilized alone for this work it is extremely diliicult to avoid sudden fluctuations in temperature and there is also danger of overheating the matrix after it has dried out. All of these disadvantages are overcome by the use of my present invention and atten- 65 tion is specially directed to the fact that the system is a particularly simple one, the

parts of which are well known and well understood by fact the relation between the temperature and pressure follows, as already pointed out, the law for saturated steam and consequently the gage may be easily calibrated by reference to an ordinary steam table.

In order to avoid all possibility of damaging a matrix by overheating, the arrangement shown in Figs. 9 and 10 may be utilized. As here shown the bed plate of the matrix press is divided into an upper section 70,25 being the working surface and a lower sectiorrfl which is similar in construction to the entire bed plate shown in Figs. 5 and 6. The upper section may either bcprovided with a comparatively small proportion of the whole number ofelcctrirheater units as shown in Figs. S) and 10 or it'may have no heater units at all, the lower section be number or all of the heater units as shown in Fig. 11. The two sections are separated from each other by a plate 72 of heat insulation and both of the sections are. provided with tube sections 23. These sections may be all connected to a common header but I prefer to connect those of the upper section to one header T3 and those of the lower section to another header 74, the two b .tHlOlS being inter-connected by some suitable means, such for example'as the removable pipe connectors 75. In this way the two sections may be assembled imlcpcmlently and utilized either singly or to ether.

While the watcr contained in the tube-system escapes by leakage very slowly, if atall, and while it is a very matter to replenish the supply, there is of course a possibility that the water may be exhausted through inadvertence or careless mess on the part of the opcratorl If the arrangement shown in Figs. 9 and 10 or that shown in Fig. 11 is employed 'there is practically no possibility of overheating the matrix or whatever is in contact with the working surface even it the water is exhausted,

' because a large proportion of the heat generated is,

under these abnormal conditions, confined to the heater section which is remote from the working surface and is spaced from itby heat insulation. It is obviously extremely important to avoid injuring or destroying a matrix such as is used in producing a daily news paper and my invention is for various reasons, well adapted for high grade and diilicult Work of this character.

In Figs. 12 aml 1 3, I have illustrated another modified: riicture of heater which is adapted to be sed as a press plate for a matrix drier. The body of the plate simi lar to that shown in Figs. 4, 5 and 6 except that a refieiied pipe or tube 80 is cast into intelligent operators and inmg either provided with a relatively Large,

simple and easy enos or otherwise made substantially integral, with the body oil the plate near'its working surface. This retiexcd tube corresponds to the series of tube sections 23 of the other form.

Theheater units are disposed in the channels 2i and as shown in detail in Figs. 1% and 15 each of them comprises bar 81 of soap stone or other heat absorbing and electric insulating material having a substantially rectangular section and provided with a plurality of longitudinal slotsor saw cuts 82 in which refiexed resistance Wire 83 is disposed.

After the resistance Wire is in place, the slots may be filled with suitable insulating. ecnient if desired.

Variousmodifications will suggest themselves to those skilled in the art, and I in tend that only such limitations be imposed, as are indicated in the appended claims.

On August 16th, 1911., l filed anet plication for Letters Patent Serial No. Eil,4:67 which is co-pcnding with this ZLPPlHlfLLtiOIi. In my present application, l have slioiyn and described the same subject matter shown in the earlier application just referred to. In addition to this matte however, l have included several specific modifications of the same invention. The broad claims present ed in the earlier application hofve been in eluded in this application and have been divided out of the earlier application which is now limited to the specific thermometer oir cuit breaker system contained therein and held to constitute a separate invention. This application is therefore a continuation in part of the aforesaid application Serial No. 544x367.

What I claim is:

1. In combination, a heat generator, a substantially solid body to be heated thereby, and a normally closed fluid containing thernio-prcssure element arranged to equalize the temperature in the heated portions of the body.

2. In combination, a heat generator, at substantially solid body to be heated thereby, and a normally closed fluid containing tlierino-pressure element arranged to equalize the temperature in the heated portion of the body and to indicate an integrated 1 16111 perature of said heated portion.

3.. In combination, a heated substantially solid body, and a thermometer associated therewith toindicate an integrated temperature of the heated portion of said body.

l- In combination, a, heated body, a thermometer arranged and extending to be influenced by the heated portion of said body at a plurality of different points therein,

whereby it is adapted. to indicate an integrated tempora .e of said heated, portion.

5. ln doin sine- Lion, a substantially solid I 1' x heated body, a normally closed thermometer containing a liquid adapted when heated o vaporize to create a pressure varying with the heat, said thermometer being subjected to the heat of said body at difi'erent points thereby causing the pressure therein to indicate the mean temperature of the heated. portion of said body as a Whole.

6. In combination, a matrix bed, a plurality of electric heating units arranged therein, and a normally closed thermo-pres sure passage arranged therein adjacent to the heater units, said passage being distrib- ,uted through the bed and containing a,

liquid vaporized by the heat of said bed to create a pressure indicating the mean temperature of the bed.

7. In combination, a substantially solid body to be heated thereby,

and a normally closed thermo-pressure element associated With the heat generator and extending into the body to be heated, to transfer heat from the generator to the body and to equalize the temperature therein.

8. A heater comprising a substantially solid body, and a normally closed thermopressure element and electric heat generatheat generator, a

ing units disposed adjacent to each other and pressure responsive means connected to said therino-pressure element for governing the energization of the electric heater.

11. A heater comprising a substantially solid body having a normally closed thermo pressure passage therein, electric heat generating means for the body and automatic means dependent upon the pressure in said thernio-pressurc passage for regulating the heat generated.

12. In combination, a heated body, a therniomcter tube embedded in and extending in a tortuous path through said body whereby it is arranged to indicate the mean temperature thereof.

13. A heater comprising a. substantially solid body having a normally closed thermopressure passage therein, electric heatgenerating means for the body and automatic means dependent upontheprossure in said thermo-pressure passage torregulating the heat generated and I, for indicating the mean temperature oi? the body.

amazes said Working surface-and an electric heater adapted to be element disposed in the body in with said fluid containing tube.

16'. A heating" appliance comprising a heat generator, asubstantially solid body engagement cooler portions of said body.

In witness whereof, Inhave hereunto set my hand this 17 day ofFebruary in the year 1913.

. (WILLIAM s. HADAWAY, Jn.

means for transferring heat from hotter to Witnessesr i e J. DEARBoRN,

F. GRAVES.

heated directly thereby, and 20 

